I made a world in world in single player and I try to upload the zipped file to Minehut website where i tried to upload but i realized it was above 50 mb. so then i tried goin IN the server and doing /ul world then the link. but when i do /ul, it turns red. and if i press enter, it says, invaled command or something. idk why this is happening please help it works on all my other servers but for some reason it doesnt work on this one. please help